In order to sell a car in Ohio, the seller must fill out the back of the title with the buyer's correct information and have the title notarized. A motor vehicle bill of sale is between a buyer and a seller of a car, truck, or motorcycle.It is signed as the last step in the sales process. To register your vehicle in Ohio and obtain Ohio license plates, your out-of-state title must first be converted to an Ohio title. What do I need to bring? A bill of sale benefits both the seller of a vehicle and the buyer. I Drive Safely will help you understand the importance of a Texas bill of sale. This includes name and address, purchase price, odometer reading, and date of transfer. I live in Texas, my kid in Ohio. I want to buy her a car here in Texas, then give it to her so that she can title and register it in Ohio.